Quote from Lily in Doppelgangers
Lily: Guys, look! The fifth doppelganger! Barney: Uh, Lily?That dude looks... Marshall: [telepathically] Guys, go with it. Future Ted: [v.o.] Kids, you can ask the universe for signs all you want. Marshall: It's uncanny. Lily: Right? Robin: Looks just like Barney. Ted: Amazing. Barney: It's like looking in the mirror. Future Ted: [v.o.] But ultimately, we only see what we wanna see, when we're ready to see it. Marshall: So, does this mean... Lily: Marshall Eriksen, put a baby in my belly.